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| Chapter 3 – AT Commands, |
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Command: | &SFn | DSR/CD Interaction Control | |
Values: | n = 0 or 1 | ||
Default: | 0 |
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Description: | &SF0 Select DSR to follow CD. | ||
| &SF1 Select DSR to be independent. | ||
Command: | $SBn Serial Port Baud Rate | ||
Values: | n = speed | ||
Default: | 57600 | ||
Description: | $SB300 Set serial port to 300 bps. | ||
| $SB1200 Set serial port to 1200 bps. | ||
| $SB2400 Set serial port to 2400 bps. | ||
| $SB4800 Set serial port to 4800 bps. | ||
| $SB9600 Set serial port to 9600 bps. | ||
| $SB19200 Set serial port to 19200 bps. | ||
| $SB38400 Set serial port to 38400 bps. | ||
| $SB57600 Set serial port to 57600 bps. | ||
| $SB115200 Set serial port to 115200 bps. | ||
| Note: Baud adjust must be off ($BA0) to enable fixed baud rate. | ||
Command: | T |
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Values: | n/a |
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Default: | P command | ||
Description: | Modem will | ||
Command: | &Tn Respond to Remote Digital Loopback Signal | ||
Values: | n = 4 or 5 | ||
Default: | 5 |
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Description: | &T4 Enable response to remote digital loopback signal. | ||
| &T5 Disable response to remote digital loopback signal. | ||
Command: | #Tn |
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Values: | n = 0 or 1 | ||
Default: | 1 |
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Description: | #T0 Disable | ||
| #T1 Enable | ||
Command: | Un |
| Loopback Test Modes |
Values: | n = 0, 1, 2, or 3 | ||
Default: | None |
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Description: | U0 Enable local nalog loopback originate mode. | ||
| U1 Enable local analog loopback answer mode. | ||
| U2 Enable remote digital loopback mode. | ||
| U3 Enable local digital loopback mode. | ||
Command: | Vn | Result Codes (Verbose/Terse) | |
Values: | n = 0 or 1 | ||
Default: | 1 |
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Description: | V0 Result codes sent as digits (terse response). | ||
| V1 Result codes sent as words (verbose response). | ||
Command: | #Vn | V.32terbo Handshake Tones | |
Values: | n = 0 or 1 | ||
Default: | 1 |
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Description: | #V0 Include V.32terbo tones in handshake. | ||
| #V1 Exclude V.32terbo tones from handshake. | ||
Command: | W Wait for New Dial Tone | ||
Values: | n/a |
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Description: | Inserted in dialing command, causes modem to wait for a new dial tone. (X2 or X4 must be | ||
| selected.) | ||
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